Flowers the Megamix uses these songs:

Miley Cyrus - Flowers
Shawn Mendes, Camila Cabello - Señorita
Bruno Mars - When I Was Your Man
Chris Brown - Under The Influence
The Weeknd - Save Your Tears
JISOO - ‘꽃(FLOWER)’
Doja Cat - Kiss Me More ft. SZA
Calvin Harris, Rihanna - This Is What You Came For ft. Rihanna
Lizzo - About Damn Time
Selena Gomez - Fetish ft. Gucci Mane
Nelly Furtado - Promiscuous ft. Timbaland
Gwen Stefani - The Sweet Escape ft. Akon
Dua Lipa - New Rules
Lady Gaga - Bad Romance
Imagine Dragons - Bones
Ariana Grande - no tears left to cry
ZAYN - LIKE I WOULD